Home / 705,781.24-1,058,076.72-306,121

Finding the Fourth Proportional to 705,781.24, 1,058,076.72 and 306,121

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Solution

The fourth proportional to 705,781.24, 1,058,076.72 and 306,121 is: 458,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,781.24 : 1,058,076.72 = 306,121 : x
  2. Step 2: Convert to fraction form
    705,781.24/1,058,076.72 = 306,121/x
  3. Step 3: Cross multiply
    705,781.24x = 1,058,076.72 × 306,121
  4. Step 4: Simplify right side
    705,781.24x = 323,899,503,603.12
  5. Step 5: Solve for x
    x = 323,899,503,603.12/705,781.24
  6. Step 6: Final answer
    x = 458,923.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.